Home / 71,948,400.30-107,922,600.45-48,990,149.10

Finding the Fourth Proportional to 71,948,400.30, 107,922,600.45 and 48,990,149.10

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Solution

The fourth proportional to 71,948,400.30, 107,922,600.45 and 48,990,149.10 is: 73,485,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948,400.30 : 107,922,600.45 = 48,990,149.10 : x
  2. Step 2: Convert to fraction form
    71,948,400.30/107,922,600.45 = 48,990,149.10/x
  3. Step 3: Cross multiply
    71,948,400.30x = 107,922,600.45 × 48,990,149.10
  4. Step 4: Simplify right side
    71,948,400.30x = 5,287,144,287,305,227
  5. Step 5: Solve for x
    x = 5,287,144,287,305,227/71,948,400.30
  6. Step 6: Final answer
    x = 73,485,223.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.